Omron JAPAN
Limit Switch
Sensor I/O Connector Switches
General-purpose Switches Actuator Item Basic Overtravel General-purpose Wiring Built-in switch specification Model Model Roller lever 2-conductor DC NO connector pins No. 3, 4 Standard WLCA2-LDK13 WLH2-LDK13 Airtight seal WLCA2-55LDK13 WLH2-55LDK13 4-conductor DC Standard WLCA2-LDK43 WLH2-LDK43 Airtight seal WLCA2-55LDK43 WLH2-55LDK43 Top-roller plunger 2-conductor DC NO connector pins No. 3, 4 Standard WLD2-LDK13 — Airtight seal WLD2-55LDK13 — 4-conductor DC Standard WLD2-LDK43 — Airtight seal WLD2-55LDK43 — Actuator Item Basic Overtravel General-purpose Wiring Built-in switch specification Model Model Roller lever 2-conductor DC NO connector pins No. 3, 4 Standard WLCA2-LD-M1J WLH2-LD-M1J Airtight seal WLCA2-55LD-M1J — connector pins No. 1, 4 Standard WLCA2-LD-M1GJ WLH2-LD-M1GJ Airtight seal WLCA2-55LD-M1GJ — NC connector pins No. 3, 2 Standard — — Airtight seal WLCA2-55LD-M1JB — 4-conductor DC Standard WLCA2-LD-DGJ03 WLH2-LD-DGJ03 Airtight seal WLCA2-55LD-DGJ03 — 3-conductor DC connector pins No. 2, 3, 4 Standard WLCA2-LD-DK1EJ03 — Airtight seal WLCA2-55LD-DK1EJ03 — Top-roller plunger 2-conductor DC NO connector pins No. 3, 4 Standard WLD2-LD-M1J — Airtight seal WLD2-55LD-M1J — connector pins No. 1, 4 Standard WLD2-LD-M1GJ — Airtight seal WLD2-55LD-M1GJ — NC connector pins No. 3, 2 Standard — — Airtight seal WLD2-55LD-M1JB — 4-conductor DC Standard WLD2-LD-DGJ03 — Airtight seal — — 3-conductor DC connector pins No. 2, 3, 4 Standard WLD2-LD-DK1EJ03 — Airtight seal WLD2-55LD-DK1EJ03 — S
Actuator Top-roller plunger Sealed top-roller plunger Horizontal plunger Item Model Model Model Airtight seal No indicator WLD2-55 WLD28-55 WLSD-55 Indicator LED WLD2-55LD WLD28-55LD WLSD-55LD Neon WLD2-55LE WLD28-55LE — Hermetic seal Molded terminals -139 No indicator WLD2-139 WLD28-139 WLSD-139 -140 — WLD28-140 — Anti-coolant WLD2-RP60 WLD28-RP60 WLSD-RP60 Heat-resistant No indicator WLD2-TH WLD28-TH WLSD-TH Low-temperature WLD2-TC — WLSD-TC Corrosion-proof WLD2-RP WLD28-RP WLSD-RP Actuator Horizontal-roller plunger Coil spring (spring diameter: 6.5) Coil spring (resin rod diameter: 8) Item Model Model Model Airtight seal No indicator WLSD2-55 WLNJ-55 WLNJ-255 Indicator LED WLSD2-55LD WLNJ-55LD WLNJ-255LD Neon ——— Hermetic seal Molded terminals -139 No indicator WLSD2-139 WLNJ-139 — -140 WLSD2-140 WLNJ-140 WLNJ-2140 Anti-coolant WLSD2-RP60 WLNJ-RP60 WLNJ-2RP60 Heat-resistant No indicator WLSD2-TH WLNJ-TH — Low-temperature WLSD2-TC WLNJ-TC WLNJ-2TC Corrosion-proof WLSD2-RP WLNJ-RP WLNJ-2RP
Note:
1. The above figures are initial values.
2. The figures in parentheses for dielectric strength are those for the microload models.
*1. The values are calculated at an operating temperature of +5°C to +35°C and an operating humidity of 40% to 70%RH. Contact your OMRON sales representative for more detailed information on other operating environments.
*2. Durability is 10,000,000 operations min. for general-purpose overtravel models, and for flexible rod models. 500,000 operations min. for weather-proof models.
*3. Microload models are 1,000,000 operations min. 500,000 operations min. for weather-proof models.
*4. Except flexible rod models. The shock resistance (malfunction) for microload models is 200 m/s2 max.
*5. For low-temperature models this is –40°C to +40°C (with no icing). For heatresistant models the range is +5°C to +120°C.
*6. For microload models, the contact resistance is 50 mΩ max. (initial value for built-in switch).
Omron Automation Systems: Machine Automation Controllers, PLC, Remote I/O, Integrated Satety, HMI, Softeware;
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Omron Control Components:Temperature Controllers, Power Supplies,Timers, Counters, Programmable Relays, Digital Panel Meters;
Omron Switching Components: Electromechanical Relays, Solid State Relays, Monitoring Products, Pushbutton Switches.
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